MySQL 各种超时参数的含义 今日在查看锁超时的设置时,看到show variables like '%timeout%';语句输出结果中的十几种超时参数时突然想整理一下,不知道大家有没有想过,这么多的timeout参数,到底有什么区别,都是做什么用的呢? MySQL [(none)]> show variables like '%timeout%'; +------------------------------+----------+ | Variable_name | Value | +
可参考:http://www.penglixun.com/tech/database/mysql_timeout.html 下面内容摘取自上面这个链接. connection_timeout,只是设置登录超时间,默认10s;如果在10s内未获取连接,则报错: Lost connection to MySQL server at 'XXX', system error: errno. 在网络不好时可适当增加此参数的值. wait_timeout/interactive_timeout, 这两个参数
目前集群上某台机器卡住导致出现大量的Map端任务FAIL,当定位到具体的机器上时,无法ssh或进去后terminal中无响应,退出的相关信息如下: [hadoop@xxx ~]$ Received disconnect from xxx: Timeout, your session not responding. 任务执行失败的错误日志: AttemptID:attempt_1413206225298_24177_m_000001_0 Timed out after 1200 secsConta
在Mysql的默认设置中,如果一个数据库连接超过8小时没有使用(闲置8小时,即 28800s),mysql server将主动断开这条连接,后续在该连接上进行的查询操作都将失败,将 出现:error 2006 (MySQL server has gone away)!. 查看mysql server超时时间: msyql> show global variables like '%timeout%'; 设置mysql server超时时间(以秒为单位): m
一.参数意思 这里简单解释一下两个参数,含义如下: interactive_timeout:The number of seconds the server waits for activity on an interactive connection before closing it. An interactive client is defined as a client that uses the CLIENT_INTERACTIVE option to mysql_real_conne
nginx使用proxy模块时,默认的读取超时时间是60s. 1. send_timeout syntax: send_timeout the time default: send_timeout 60 context: http, server, location Directive assigns response timeout to client. Timeout is established not on entire transfer of answer, but only betw
1, 查看MySQL服务器配置信息 mysql> show variables; 2, 查看MySQL服务器运行的各种状态值 mysql> show global status; 3, 慢查询 mysql> show variables like '%slow%'; +------------------+-------+ | Variable_name | Value | +------------------+-------+ | log_slow_queries | OFF | |
